Plan your Class 3 dealer
Suppressors go through a Class 3 (SOT) dealer. The federal tax is $0, and ATF stopped enforcing the Form 4 wait on October 9, 2026, but some states still require federal registration. You still pay the dealer's transfer fee.
Dead Air Armament
Overview
The DEAD AIR ARMAMENT 1/2x28 Thread Spacer (DA423) is a suppressor. Compare prices from multiple merchants and find the best deal.
Specifications
DEAD AIR ARMAMENT 1/2x28 Thread Spacer (DA423)
Available Merchants(4)
Prices checked
Price Alert
Price and stock
Availability is good for the DEAD AIR ARMAMENT 1/2x28 Thread Spacer (DA423): it was in stock at one retailer or another nearly every day in September 2026, and today 2 of the 4 retailers we track have it in stock. The best price crept up from $18.40 to $19.59 over September 2026. Buying today, the lowest price is $18.40 at KY Gun Company, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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